Chuck Dukowski (born Gary Arthur McDaniel; February 1, 1954) is a Californian punk rock musician, best known as a founding member and bass player for Black Flag. Dukowski wrote some of Black Flag's most popular songs, including "My War," "What I See," "I've Heard It Before" and "Spray Paint." He left the band before the release of My War, and afterward served as Black Flag's manager.